Home / 8,853.28-12,217.16-5,073.81

Finding the Fourth Proportional to 8,853.28, 12,217.16 and 5,073.81

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Solution

The fourth proportional to 8,853.28, 12,217.16 and 5,073.81 is: 7,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.28 : 12,217.16 = 5,073.81 : x
  2. Step 2: Convert to fraction form
    8,853.28/12,217.16 = 5,073.81/x
  3. Step 3: Cross multiply
    8,853.28x = 12,217.16 × 5,073.81
  4. Step 4: Simplify right side
    8,853.28x = 61,987,548.58
  5. Step 5: Solve for x
    x = 61,987,548.58/8,853.28
  6. Step 6: Final answer
    x = 7,001.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.